{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:07.998494", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2025-Jun-21_to_2025-Jun-23_136.5_-27.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2025060002504}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "June 21 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 87581.16684900055}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -27.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 136.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "136.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 134.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 139.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[133.75, -25.5], [133.97, -24.97], [134.5, -24.75], [134.75, -24.85], [134.82, -24.82], [134.97, -24.47], [135.5, -24.25], [136.03, -24.47], [136.2, -24.87], [136.5, -24.75], [137.03, -24.97], [137.25, -25.5], [137.15, -25.75], [137.25, -26.0], [137.15, -26.25], [137.18, -26.32], [137.53, -26.47], [137.7, -26.87], [138.0, -26.75], [138.25, -26.85], [138.5, -26.75], [139.03, -26.97], [139.25, -27.5], [139.15, -27.75], [139.25, -28.0], [139.03, -28.53], [138.68, -28.68], [138.65, -28.75], [138.75, -29.0], [138.65, -29.25], [138.68, -29.32], [138.75, -29.35], [139.0, -29.25], [139.53, -29.47], [139.75, -30.0], [139.53, -30.53], [139.0, -30.75], [138.75, -30.65], [138.68, -30.68], [138.53, -31.03], [138.0, -31.25], [137.47, -31.03], [137.32, -30.68], [136.97, -30.53], [136.75, -30.0], [136.88, -29.7], [136.47, -29.53], [136.25, -29.0], [136.47, -28.47], [136.82, -28.32], [136.85, -28.25], [136.82, -28.18], [136.75, -28.15], [136.5, -28.25], [136.25, -28.15], [136.0, -28.25], [135.47, -28.03], [135.25, -27.5], [135.35, -27.25], [135.32, -27.18], [134.97, -27.03], [134.75, -26.5], [134.85, -26.25], [134.82, -26.18], [134.75, -26.15], [134.5, -26.25], [133.97, -26.03], [133.75, -25.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.5, -26.25], [133.97, -26.03], [133.75, -25.5], [133.97, -24.97], [134.5, -24.75], [134.75, -24.85], [134.82, -24.82], [134.97, -24.47], [135.5, -24.25], [136.03, -24.47], [136.2, -24.87], [136.5, -24.75], [137.03, -24.97], [137.25, -25.5], [137.15, -25.75], [137.25, -26.0], [137.15, -26.25], [137.18, -26.32], [137.53, -26.47], [137.7, -26.87], [138.0, -26.75], [138.25, -26.85], [138.5, -26.75], [139.03, -26.97], [139.25, -27.5], [139.15, -27.75], [139.25, -28.0], [139.03, -28.53], [138.68, -28.68], [138.65, -28.75], [138.75, -29.0], [138.65, -29.25], 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[[[[134.5, -26.25], [133.97, -26.03], [133.75, -25.5], [133.97, -24.97], [134.5, -24.75], [134.75, -24.85], [134.82, -24.82], [134.97, -24.47], [135.5, -24.25], [136.03, -24.47], [136.2, -24.87], [136.5, -24.75], [137.03, -24.97], [137.25, -25.5], [137.15, -25.75], [137.25, -26.0], [137.15, -26.25], [137.18, -26.32], [137.53, -26.47], [137.7, -26.87], [138.0, -26.75], [138.25, -26.85], [138.5, -26.75], [139.03, -26.97], [139.25, -27.5], [139.15, -27.75], [139.25, -28.0], [139.03, -28.53], [138.68, -28.68], [138.65, -28.75], [138.75, -29.0], [138.65, -29.25], [138.68, -29.32], [138.75, -29.35], [139.0, -29.25], [139.53, -29.47], [139.75, -30.0], [139.53, -30.53], [139.0, -30.75], [138.75, -30.65], [138.68, -30.68], [138.53, -31.03], [138.0, -31.25], [137.47, -31.03], [137.32, -30.68], [136.97, -30.53], [136.75, -30.0], [136.88, -29.7], [136.47, -29.53], [136.25, -29.0], [136.47, -28.47], [136.82, -28.32], [136.85, -28.25], [136.82, -28.18], [136.75, -28.15], [136.5, -28.25], [136.25, 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5.415824234954286, 3.311021409253149]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.076603321765106, 6.484847786420289, 3.8999890626748765]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.37821300213378, 2.370263059967017, 1.44533085174864]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6082498216235745, 2.6831535516204545, 1.621177463129789]}}